Basically...

Basically, the clarification of philosophical questions is to remove doubts and to provide defense against them.

The Secret of the Self-Evidence of Entified Reality As we indicated at the beginning of this lesson, the absolute denial of reality, the view that the world is nothing, is not something which would be claimed by any conscious intelligent person without some ulterior motive, just as it is regarding the absolute denial of knowledge and apparent doubt about everything, even about the existence of the doubt and doubter.

Assuming that someone expresses these sorts of claims, one cannot reason with him logically; rather he must be given a practical response. On the other hand, the existence of every particular reality is not self-evident, and proof for many of them requires reasons and arguments, and, as has been indicated, one of the most…